24 Emplacement/Mineralization Model for the South Kawishiwi IntrusionPeterson, 2012

25 World Class Ores of the Duluth ComplexMarch 15, 2013World Class Ores of the Duluth ComplexCompared to other Magmatic Sulfide Deposits, the Duluth Complex is:#1 or 2 in contained Copper#4 in contained PGE#3 in contained NickelOnly the Bushveld, Great Dyke, and Noril’sk contain more PGEFrom Peterson, 2010J. Miller

27 The Largest UNDEVELOPED Cu-Ni-PGE Deposit on EarthMarch 15, 2013The Largest UNDEVELOPED Cu-Ni-PGE Deposit on EarthDuluth deposits are perceived as low grade. But compared to the source of most of the world’s copper - Porphyry Copper Deposits...…the Duluth Complex ores are HIGHER GRADE with MORE CONTAINED METAL than nearly all porphyry systems.The largest copper ore deposits in the USA are on this diagram, and the Duluth Complex ores are much larger then all of them.From Peterson, 2010J. Miller

28 Stewardship question - If not now, when?March 15, 2013CONCLUSION:The base and precious metal deposits of the Duluth Complex are a World Class Resource that will be mined …. SOMEDAYStewardship question - If not now, when?J. Miller